Office for Civil Rights Complaint Portal
You may file a complaint with the Office for Civil Rights Complaints if you believe that you have been discriminated against because of your race, color, national origin, disability, age, sex or religion by a health care or human services provider (such as a hospital, nursing home, social service agency) or by a State or local government health or human services agency.
https://ocrportal.hhs.gov/ocr/portal/lobby.jsf